Re: Running RAC@Solaris under Veritas Cluster?

  • From: LS Cheng <exriscer@xxxxxxxxx>
  • To: zhuchao@xxxxxxxxx
  • Date: Fri, 13 Nov 2009 11:23:18 +0100


I have customer who uses Veritas because of the need of Cluster Filesystem,
specially those who uses utl_file. Other who chose ASM uses NetAPP Clustered
Filer NFS for utl_file.

Seems that in 11gR2 you can use DBFS for utl_file however it is only
available for Linux and not 100% certain that DBFS will be released for
other platforms in this Release (except Windows)

But other than that I dont see any benefits of using a third party cluster,
in fact most of RAC implementations projects I have been runs on Oracle
Clusterware/ASM, full Oracle Stack.

Ah, there is another point, ASM does not protect already used LUNs so if
system admin runs the command against the wrong disks you might end up
restoring the database.



On Fri, Nov 13, 2009 at 11:14 AM, Zhu,Chao <zhuchao@xxxxxxxxx> wrote:

> hi Guys
>     We were doing POC for RAC(sorry we are very late in technology
> deployment and indeed we don't have strong need for RAC so far as we split
> database when server running out of capacity) and our storage guys insists
> on using Veritas Cluster (guess VCS has less learning curve for them?);
>    To me it does not make sense to use Veritas Cluster software as oracle
> is merging all cluster management to its CRS and it makes easier to manage
> in the longer term, and I believe it is the oracle stategy and also industry
> common practise;
>    I am writing to to the list to ask for your opinon, and how does your
> company run RAC?  Is there any major reason to use third party clusterware
> instead of oracle's own which is free (bundled in RAC optino)?
>    Thanks.
> --
> Regards
> Zhu Chao

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